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Mammals
Born alive (not hatched)
Drink milk
Breathe air
Have hair or fur
Have a backbone
All mammals have 7 neckbonesÂ
The bumblebee bat is the smallest and shortest mammal. It has 7 bones in its neck.
The giraffe is the tallest land mammal. It also has 7 bones in its neck. Why is the giraffe so much taller?
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